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Question
The enzyme that polymerises deoxyribonucleotides in 5' → 3' direction only is called ______.
Options
helicase
primase
DNA polymerase
DNA ligase
MCQ
Fill in the Blanks
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Solution
The enzyme that polymerises deoxyribonucleotides in 5' → 3' direction only is called DNA polymerase.
Explanation:
DNA polymerase builds a new DNA strand by adding deoxyribonucleotides in the 5′ → 3′ direction. The other enzymes unwind DNA, make RNA primers or join DNA fragments.
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